7135521872775 has 24 divisors (see below), whose sum is σ = 12310326433920. Its totient is φ = 3640150287840.

The previous prime is 7135521872741. The next prime is 7135521872777. The reversal of 7135521872775 is 5772781255317.

It is not a de Polignac number, because 7135521872775 - 2²⁰ = 7135520824199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135521872777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2068265485 + ... + 2068268934.

It is an arithmetic number, because the mean of its divisors is an integer number (512930268080).

Almost surely, 2^{7135521872775} is an apocalyptic number.

7135521872775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7135521872775 is a deficient number, since it is larger than the sum of its proper divisors (5174804561145).

7135521872775 is a wasteful number, since it uses less digits than its factorization.

7135521872775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136534455 (or 4136534450 counting only the distinct ones).

The product of its digits is 28812000, while the sum is 60.

The spelling of 7135521872775 in words is "seven trillion, one hundred thirty-five billion, five hundred twenty-one million, eight hundred seventy-two thousand, seven hundred seventy-five".